Gary - what I am trying to achieve with a winter tire is to keep the rig on top of the asphalt!
Seriously, my wife and I use it for traveling to dog shows, and one of the biggest is in Abbotsford BC on the Halloween weekend each year, which requires that we cross the Rockies from Alberta in late October. Later in the year we take all the beasts and put them in the coach and head south to Arizona and California for January and February.
In both cases we can see some bad weather, in the Rockies it is unpredictable and on the trek south we often have a business dictated window in which we can travel, and sometimes it includes some chancy weather.
I carry tire cables because by law in the Rockies in October you have to have them, but I'd like to have a knob tire.
2006 Patriot Thunder